your report opens up. a tragic tale of a legal immigrant to this country from china, she was brutally attacked by an illegal immigrant from china, and after chen served his prison term, china refused to take him back. what happened? >> immigration officials in texas let him out more than once, and no point did they ever warn ms. wu this is a wider issue in the immigrant question. that's secrecy. they don't tell the public very much unlike the criminal system who they arrest, who they detain, and what happens to them in the case of ms. wu, she thought the man who brutally attacked her was in china and one day, three years later, he walks through her door and shortly after that kills her. >> why is this happening? why do we have no dodknowledge it? >> the immigration system says they are a civil immigration agency, they detain people they treat like criminals whether they have a record or not and they said that they believe that this is a private matter, that they need to protect the immigrants's privacy. so when we request the name of criminals, they said that the public interest in th
